What is the photoelectric effect?

Mar 14, 2019 ... Einstein's nonscientific second wife, Elsa, did become ... discovered Einstein-Maric letters in the possession of Hans Albert's family. Some inventions and contributions of Einstein are Avogadro's Number, Quantum Theory of Light, General Theory of Relativity, Special Theory of Relativity, The ... Jun 5, 2018 ... Said Einstein, “Most teachers waste their time by asking questions that are intended to discover what a pupil does not know, whereas the true ... Living in Switzerland, the physicist figures out that matter—the tiny particles that form objects—can be turned into energy, and vice versa. He also comes up ... It was pondering these developments that led Einstein to discover the special theory of relativity in 1905. ... Einstein, Albert (1920) “Fundamental Ideas ... At the age of only 16, Einstein imagined himself standing in front of a plane mirror while he himself together with the mirror was being carried forward with ... May 31, 2017 ... “It's worth asking why Einstein discovered a new theory and his contemporaries did not. Both Lorentz and Poincare had already come up with ... Apr 12, 2007 ... ... did not prevent him from criticizing the ethical shortcomings of his new home. “Einstein realized that African Americans in Princeton were ... Aug 28, 2012 ... So inasmuch as spacetime geometry includes worldlines and proper time, Poincaré did not discover spacetime geometry. ... was young Albert Einstein ... Jan 7, 2024 ... Robert Oppenheimer, Einstein never worked on the Manhattan Project that led to the development of nuclear weapons, nor was he aware of plans to ...